s-linux.ads, [...]: Define sa_handler_pos.

2009-05-06  Laurent GUERBY <laurent@guerby.net>

        * s-linux.ads, s-linux-alpha.ads, s-linux-hppa.ads, 
        osinte-linux.ads: Define sa_handler_pos.
        * s-osinte-linux.ads: Use it.
        * s-linux-mipsel.ads: New.	
        * system-linux-mips64el.ads: New.
        * gcc-interface/Makefile.in: Multilib handling for
        mipsel-linux and mips64el-linux.

From-SVN: r147207

gcc/ada/ChangeLog

+2009-05-06  Laurent GUERBY <laurent@guerby.net>
+
+        * s-linux.ads, s-linux-alpha.ads, s-linux-hppa.ads, 
+        osinte-linux.ads: Define sa_handler_pos.
+        * s-osinte-linux.ads: Use it.
+        * s-linux-mipsel.ads: New.	
+        * system-linux-mips64el.ads: New.
+        * gcc-interface/Makefile.in: Multilib handling for
+        mipsel-linux and mips64el-linux.
+	
 2009-05-06  Arnaud Charlet  <charlet@adacore.com>
 
 	* exp_ch5.adb, exp_util.adb, exp_attr.adb, sem_util.adb, sem_res.adb,

gcc/ada/gcc-interface/Makefile.in

@@ -1555,11 +1555,11 @@ ifeq ($(strip $(filter-out mips linux%,$(arch) $(osys))),)
 endif
 
 ifeq ($(strip $(filter-out mipsel linux%,$(arch) $(osys))),)
-  LIBGNAT_TARGET_PAIRS = \
+  LIBGNAT_TARGET_PAIRS_COMMON = \
   a-intnam.ads<a-intnam-linux.ads \
   s-inmaop.adb<s-inmaop-posix.adb \
   s-intman.adb<s-intman-posix.adb \
-  s-linux.ads<s-linux.ads \
+  s-linux.ads<s-linux-mipsel.ads \
   s-osinte.adb<s-osinte-posix.adb \
   s-osinte.ads<s-osinte-linux.ads \
   s-osprim.adb<s-osprim-posix.adb \
@@ -1568,9 +1568,65 @@ ifeq ($(strip $(filter-out mipsel linux%,$(arch) $(osys))),)
   s-tasinf.adb<s-tasinf-linux.adb \
   s-taspri.ads<s-taspri-posix-noaltstack.ads \
   s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
-  g-sercom.adb<g-sercom-linux.adb \
+  g-sercom.adb<g-sercom-linux.adb
+
+  LIBGNAT_TARGET_PAIRS_32 = \
   system.ads<system-linux-mipsel.ads
 
+  LIBGNAT_TARGET_PAIRS_64 = \
+  system.ads<system-linux-mips64el.ads
+
+  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
+    LIBGNAT_TARGET_PAIRS = \
+    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
+  else
+    LIBGNAT_TARGET_PAIRS = \
+    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_32)
+  endif
+
+  TOOLS_TARGET_PAIRS =  \
+    mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
+    indepsw.adb<indepsw-gnu.adb
+
+  EXTRA_GNATRTL_TASKING_OBJS=s-linux.o
+  EH_MECHANISM=-gcc
+  THREADSLIB = -lpthread
+  GNATLIB_SHARED = gnatlib-shared-dual
+  GMEM_LIB = gmemlib
+  PREFIX_OBJS = $(PREFIX_REAL_OBJS)
+  LIBRARY_VERSION := $(LIB_VERSION)
+endif
+
+ifeq ($(strip $(filter-out mips64el linux%,$(arch) $(osys))),)
+  LIBGNAT_TARGET_PAIRS_COMMON = \
+  a-intnam.ads<a-intnam-linux.ads \
+  s-inmaop.adb<s-inmaop-posix.adb \
+  s-intman.adb<s-intman-posix.adb \
+  s-linux.ads<s-linux-mipsel.ads \
+  s-osinte.adb<s-osinte-posix.adb \
+  s-osinte.ads<s-osinte-linux.ads \
+  s-osprim.adb<s-osprim-posix.adb \
+  s-taprop.adb<s-taprop-linux.adb \
+  s-tasinf.ads<s-tasinf-linux.ads \
+  s-tasinf.adb<s-tasinf-linux.adb \
+  s-taspri.ads<s-taspri-posix-noaltstack.ads \
+  s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
+  g-sercom.adb<g-sercom-linux.adb
+
+  LIBGNAT_TARGET_PAIRS_32 = \
+  system.ads<system-linux-mipsel.ads
+
+  LIBGNAT_TARGET_PAIRS_64 = \
+  system.ads<system-linux-mips64el.ads
+
+  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
+    LIBGNAT_TARGET_PAIRS = \
+    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
+  else
+    LIBGNAT_TARGET_PAIRS = \
+    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_32)
+  endif
+
   TOOLS_TARGET_PAIRS =  \
     mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
     indepsw.adb<indepsw-gnu.adb

gcc/ada/s-linux-alpha.ads

@@ -104,8 +104,9 @@ package System.Linux is
 
    --  struct_sigaction offsets
 
-   sa_mask_pos  : constant := Standard'Address_Size / 8;
-   sa_flags_pos : constant := 128 + sa_mask_pos;
+   sa_handler_pos : constant := 0;
+   sa_mask_pos    : constant := Standard'Address_Size / 8;
+   sa_flags_pos   : constant := 128 + sa_mask_pos;
 
    SA_SIGINFO  : constant := 16#40#;
    SA_ONSTACK  : constant := 16#01#;

gcc/ada/s-linux-hppa.ads

@@ -96,8 +96,9 @@ package System.Linux is
 
    --  struct_sigaction offsets
 
-   sa_flags_pos : constant := Standard'Address_Size / 8;
-   sa_mask_pos  : constant := sa_flags_pos * 2;
+   sa_handler_pos : constant := 0;
+   sa_flags_pos   : constant := Standard'Address_Size / 8;
+   sa_mask_pos    : constant := sa_flags_pos * 2;
 
    SA_SIGINFO : constant := 16#10#;
    SA_ONSTACK : constant := 16#01#;

gcc/ada/s-linux-mipsel.ads

+------------------------------------------------------------------------------
+--                                                                          --
+--                GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS               --
+--                                                                          --
+--                          S Y S T E M .  L I N U X                        --
+--                                                                          --
+--                                  S p e c                                 --
+--                                                                          --
+--             Copyright (C) 2009, Free Software Foundation, Inc.           --
+--                                                                          --
+-- GNARL is free software; you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is the mipsel version of this package
+
+--  This package encapsulates cpu specific differences between implementations
+--  of GNU/Linux, in order to share s-osinte-linux.ads.
+
+--  PLEASE DO NOT add any with-clauses to this package or remove the pragma
+--  Preelaborate. This package is designed to be a bottom-level (leaf) package
+
+package System.Linux is
+   pragma Preelaborate;
+
+   -----------
+   -- Errno --
+   -----------
+
+   EAGAIN    : constant := 11;
+   EINTR     : constant := 4;
+   EINVAL    : constant := 22;
+   ENOMEM    : constant := 12;
+   EPERM     : constant := 1;
+   ETIMEDOUT : constant := 110;
+
+   -------------
+   -- Signals --
+   -------------
+
+   SIGHUP     : constant := 1; --  hangup
+   SIGINT     : constant := 2; --  interrupt (rubout)
+   SIGQUIT    : constant := 3; --  quit (ASCD FS)
+   SIGILL     : constant := 4; --  illegal instruction (not reset)
+   SIGTRAP    : constant := 5; --  trace trap (not reset)
+   SIGIOT     : constant := 6; --  IOT instruction
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGFPE     : constant := 8; --  floating point exception
+   SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
+   SIGBUS     : constant := 7; --  bus error
+   SIGSEGV    : constant := 11; --  segmentation violation
+   SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
+   SIGALRM    : constant := 14; --  alarm clock
+   SIGTERM    : constant := 15; --  software termination signal from kill
+   SIGUSR1    : constant := 10; --  user defined signal 1
+   SIGUSR2    : constant := 12; --  user defined signal 2
+   SIGCLD     : constant := 17; --  alias for SIGCHLD
+   SIGCHLD    : constant := 17; --  child status change
+   SIGPWR     : constant := 30; --  power-fail restart
+   SIGWINCH   : constant := 28; --  window size change
+   SIGURG     : constant := 23; --  urgent condition on IO channel
+   SIGPOLL    : constant := 29; --  pollable event occurred
+   SIGIO      : constant := 29; --  I/O now possible (4.2 BSD)
+   SIGLOST    : constant := 29; --  File lock lost
+   SIGSTOP    : constant := 19; --  stop (cannot be caught or ignored)
+   SIGTSTP    : constant := 20; --  user stop requested from tty
+   SIGCONT    : constant := 18; --  stopped process has been continued
+   SIGTTIN    : constant := 21; --  background tty read attempted
+   SIGTTOU    : constant := 22; --  background tty write attempted
+   SIGVTALRM  : constant := 26; --  virtual timer expired
+   SIGPROF    : constant := 27; --  profiling timer expired
+   SIGXCPU    : constant := 24; --  CPU time limit exceeded
+   SIGXFSZ    : constant := 25; --  filesize limit exceeded
+   SIGUNUSED  : constant := 31; --  unused signal (GNU/Linux)
+   SIGSTKFLT  : constant := 16; --  coprocessor stack fault (Linux)
+   SIGLTHRRES : constant := 32; --  GNU/LinuxThreads restart signal
+   SIGLTHRCAN : constant := 33; --  GNU/LinuxThreads cancel signal
+   SIGLTHRDBG : constant := 34; --  GNU/LinuxThreads debugger signal
+
+   --  struct_sigaction offsets
+
+   sa_handler_pos : constant := Standard'Address_Size / 8;
+   sa_mask_pos    : constant := 2 * Standard'Address_Size / 8;
+   sa_flags_pos   : constant := 0;
+
+   SA_SIGINFO  : constant := 16#04#;
+   SA_ONSTACK  : constant := 16#08000000#;
+
+   type struct_pthread_fast_lock is record
+      status   : Long_Integer;
+      spinlock : Integer;
+   end record;
+   pragma Convention (C, struct_pthread_fast_lock);
+
+   type pthread_mutex_t is record
+      m_reserved : Integer;
+      m_count    : Integer;
+      m_owner    : System.Address;
+      m_kind     : Integer;
+      m_lock     : struct_pthread_fast_lock;
+   end record;
+   pragma Convention (C, pthread_mutex_t);
+
+end System.Linux;

gcc/ada/s-linux.ads

@@ -94,8 +94,9 @@ package System.Linux is
 
    --  struct_sigaction offsets
 
-   sa_mask_pos  : constant := Standard'Address_Size / 8;
-   sa_flags_pos : constant := 128 + sa_mask_pos;
+   sa_handler_pos : constant := 0;
+   sa_mask_pos    : constant := Standard'Address_Size / 8;
+   sa_flags_pos   : constant := 128 + sa_mask_pos;
 
    SA_SIGINFO  : constant := 16#04#;
    SA_ONSTACK  : constant := 16#08000000#;

gcc/ada/s-osinte-linux.ads

@@ -513,9 +513,9 @@ private
 
    pragma Warnings (Off);
    for struct_sigaction use record
-      sa_handler at                  0 range 0 .. Standard'Address_Size - 1;
-      sa_mask    at Linux.sa_mask_pos  range 0 .. 1023;
-      sa_flags   at Linux.sa_flags_pos range 0 .. Standard'Address_Size - 1;
+      sa_handler at Linux.sa_handler_pos range 0 .. Standard'Address_Size - 1;
+      sa_mask    at Linux.sa_mask_pos    range 0 .. 1023;
+      sa_flags   at Linux.sa_flags_pos   range 0 .. Standard'Address_Size - 1;
    end record;
    --  We intentionally leave sa_restorer unspecified and let the compiler
    --  append it after the last field, so disable corresponding warning.

gcc/ada/system-linux-mips64el.ads

+------------------------------------------------------------------------------
+--                                                                          --
+--                        GNAT RUN-TIME COMPONENTS                          --
+--                                                                          --
+--                               S Y S T E M                                --
+--                                                                          --
+--                                 S p e c                                  --
+--                       (GNU-Linux/MIPS64EL Version)                       --
+--                                                                          --
+--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package System is
+   pragma Pure;
+   --  Note that we take advantage of the implementation permission to make
+   --  this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
+   --  2005, this is Pure in any case (AI-362).
+
+   type Name is (SYSTEM_NAME_GNAT);
+   System_Name : constant Name := SYSTEM_NAME_GNAT;
+
+   --  System-Dependent Named Numbers
+
+   Min_Int               : constant := Long_Long_Integer'First;
+   Max_Int               : constant := Long_Long_Integer'Last;
+
+   Max_Binary_Modulus    : constant := 2 ** Long_Long_Integer'Size;
+   Max_Nonbinary_Modulus : constant := Integer'Last;
+
+   Max_Base_Digits       : constant := Long_Long_Float'Digits;
+   Max_Digits            : constant := Long_Long_Float'Digits;
+
+   Max_Mantissa          : constant := 63;
+   Fine_Delta            : constant := 2.0 ** (-Max_Mantissa);
+
+   Tick                  : constant := 0.000_001;
+
+   --  Storage-related Declarations
+
+   type Address is private;
+   Null_Address : constant Address;
+
+   Storage_Unit : constant := 8;
+   Word_Size    : constant := 64;
+   Memory_Size  : constant := 2 ** 64;
+
+   --  Address comparison
+
+   function "<"  (Left, Right : Address) return Boolean;
+   function "<=" (Left, Right : Address) return Boolean;
+   function ">"  (Left, Right : Address) return Boolean;
+   function ">=" (Left, Right : Address) return Boolean;
+   function "="  (Left, Right : Address) return Boolean;
+
+   pragma Import (Intrinsic, "<");
+   pragma Import (Intrinsic, "<=");
+   pragma Import (Intrinsic, ">");
+   pragma Import (Intrinsic, ">=");
+   pragma Import (Intrinsic, "=");
+
+   --  Other System-Dependent Declarations
+
+   type Bit_Order is (High_Order_First, Low_Order_First);
+   Default_Bit_Order : constant Bit_Order := Low_Order_First;
+   pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
+
+   --  Priority-related Declarations (RM D.1)
+
+   Max_Priority           : constant Positive := 30;
+   Max_Interrupt_Priority : constant Positive := 31;
+
+   subtype Any_Priority       is Integer      range  0 .. 31;
+   subtype Priority           is Any_Priority range  0 .. 30;
+   subtype Interrupt_Priority is Any_Priority range 31 .. 31;
+
+   Default_Priority : constant Priority := 15;
+
+private
+
+   type Address is mod Memory_Size;
+   Null_Address : constant Address := 0;
+
+   --------------------------------------
+   -- System Implementation Parameters --
+   --------------------------------------
+
+   --  These parameters provide information about the target that is used
+   --  by the compiler. They are in the private part of System, where they
+   --  can be accessed using the special circuitry in the Targparm unit
+   --  whose source should be consulted for more detailed descriptions
+   --  of the individual switch values.
+
+   AAMP                      : constant Boolean := False;
+   Backend_Divide_Checks     : constant Boolean := False;
+   Backend_Overflow_Checks   : constant Boolean := False;
+   Command_Line_Args         : constant Boolean := True;
+   Compiler_System_Version   : constant Boolean := False;
+   Configurable_Run_Time     : constant Boolean := False;
+   Denorm                    : constant Boolean := True;
+   Duration_32_Bits          : constant Boolean := False;
+   Exit_Status_Supported     : constant Boolean := True;
+   Fractional_Fixed_Ops      : constant Boolean := False;
+   Frontend_Layout           : constant Boolean := False;
+   Functions_Return_By_DSP   : constant Boolean := False;
+   Machine_Overflows         : constant Boolean := False;
+   Machine_Rounds            : constant Boolean := True;
+   OpenVMS                   : constant Boolean := False;
+   Preallocated_Stacks       : constant Boolean := False;
+   Signed_Zeros              : constant Boolean := True;
+   Stack_Check_Default       : constant Boolean := False;
+   Stack_Check_Probes        : constant Boolean := False;
+   Support_64_Bit_Divides    : constant Boolean := True;
+   Support_Aggregates        : constant Boolean := True;
+   Support_Composite_Assign  : constant Boolean := True;
+   Support_Composite_Compare : constant Boolean := True;
+   Support_Long_Shifts       : constant Boolean := True;
+   Suppress_Standard_Library : constant Boolean := False;
+   Use_Ada_Main_Program_Name : constant Boolean := False;
+   ZCX_By_Default            : constant Boolean := True;
+   GCC_ZCX_Support           : constant Boolean := True;
+   Front_End_ZCX_Support     : constant Boolean := False;
+
+   --  Obsolete entries, to be removed eventually (bootstrap issues!)
+
+   High_Integrity_Mode       : constant Boolean := False;
+   Long_Shifts_Inlined       : constant Boolean := True;
+
+end System;